;local.zone $ORIGIN localhost. $TTL 86400 @ IN SOA localhost. root.localhost. ( 2001050101 ; Serial 10800 ; Refresh after 3 hours 3600 ; Retry after 1 hour 604800 ; Expire after 1 week 86400 ) ; Minimum TTL of 1 day IN NS localhost. ; localhost. IN A 127.0.0.1